many republicans say hey, elections have consequences. they will defer to the president unless his pick is considered way outside the mainstream of legal thoughts. >> it should be an extraordinary step to filibuster a supreme court nominee, really a nominee to any court, and whether there are 40 votes to do that for a more progressive nominee i think remains to be seen. >> reporter: supreme court picks are, of course, one of the most parts of enenduring presidential legacy, sure to endure for decades after a president leaves office. >> it will be interesting to watch the next four years and see what happens, won't it? >> reporter: we're on it. >> shannon, thank you. >>> a startling report in the "new york times" about north korea and mobile missile launchers that the country is suddenly moving around, some carrying a new generation of powerful rockets. officials say they may not be ready for some time. this discovery really has washington on high alert. a columnest at forest.com joins us and he's the author of nuclear show down. we had to